MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Fertilization
Fertilization is the process of combining the male gamete, or 'sperm,' with the female gamete, or 'ovum.' The product of this combination is a cell called a zygote.
Read the definitionRandom terms
Show more- Syndrome, Alexander See: Alexander disease
- Cryocardioplegia Paralysis of the heart by cold (hypothermia)
- Heart test, EPS ElectroPhysiologic Study of the heart, a test of the electrical conduction system of the heart (the system…
- Dementia Dementia: Significant loss of intellectual abilities such as memory capacity, severe enough to interfere with…
- Sarcoma, metastatic A sarcoma that is spreading into other body tissues through the lymphatic system. The most common site for…
- Diaper rash Diaper rash: Also called 'diaper dermatitis,' a diaper rash is a skin inflammatory reaction localized to the…
- Wing bone See: SAD.
- Syphilis, congenital The third stage of syphilis, in which the syphilis spirochetes infect the brain and other organs of the body…
- Fear of blood An abnormal and persistent fear of blood. Sufferers of this very common phobia dread the sight of their own…
- Archaea A unique group of microorganisms classified as bacteria (Archaeobacteria) but genetically and metabolically…
- Dynein A family of microtubule motor proteins that derive energy from ATP (adenosine triphosphatase) activity. The…
- Coccygeal vertebrae The coccyx, the small tail-like bone at the bottom of the spine near the anus, is made up of 3-5 (average of…